ANU: Wind, solar and hydro grid cheapest option for Australia

A New study by the Australian National University suggests a 100% renewable energy grid, with 90% of electricity coming from wind and solar, will be cheaper than a coal or gas-fired system in Australia.

The study, led by Andrew Blakers, Bin Lu and Matthew Stocks, suggests that with most of Australia’s current fleet of coal generators due to retire before 2030, a mix of solar PV and wind energy, backed up by pumped hydro, will be the cheapest option for Australia, and this includes integration costs.